Timing Diagrams - Roland Double Sheet Detector R1000 Series Manual

B0069991 / Rev. 1.7
6.3

Timing diagrams

Notes for the following diagrams and descriptions
For all following diagrams and explanations, in the configuration menu item 11 the setting
"Level 0-1-2" has been selected "0V".
If "24V" has been selected the outputs OUT1...OUT4 are inverted. Enable OUT0 will not be
influenced by this.
6.3.1 External Single measurement
The measurement result remains frozen until a new action is initiated.
At the moment of changing the output signals, an undefined condition can occur at the outputs, i.e.
all outputs or none can be active. If this condition occurs the outputs have to be interrogated again.
OUT 0
Check whether the output OUT0 "Enable" has been switched to HIGH, otherwise a fault condition is
1
existing.
Before starting a measurement all inputs must be LOW for 10ms.
2
Switch the input IN0 "Measurement Start" to HIGH for at least 4 ms.
3
After max. 4ms the measurement result is available at the outputs OUT1...OUT3.
4
After point 4 or 4 ms after point 3 switch the input IN0 "Measurement Start" to LOW.
5
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Double Sheet Detector-series I20
Enable
IN 1-9
Meas. start
IN 0
0-sheet
OUT 3
OUT 2 1-sheet
OUT 1 2-sheet
warning
OUT 4
1
min. 10ms
2
In case of fault the signal "Enable" will be switched to LOW.
Note
Manual
max.4ms
4
min. 4ms
3 5
Communication with the PLC
57